3bc64e8fcf
I'm removing an unneded block of configuration from the `settings.gradle` template. It was introduced by me in #123511. At that time, I did not know that it's unnecessary, and did not test removing it â sorry about that. I learned that it's unnecessary recently, when [I asked a question on StackOverflow](https://stackoverflow.com/questions/77073596/whats-the-difference-between-plugins-and-pluginmanagement-plugins-in). More context there.
To run the Hello World demo:
flutter run
To run the Hello World demo showing Arabic:
flutter run lib/arabic.dart